Section Il. OPERATION

TM 11-6130-243-14-2

(6) Move the two taps connected to terminal 1 of

(TB2) to terminal 8 of TB2.

(3) Move tap connected to terminal 7 of phase C

phase C (TB3) to terminal 2 of TB3.

NOTE

(TB3) to terminal 8 of TB3.

(4) Move the two taps connected to terminal 1 of

Further increase of output voltage in the

phase A (TB1) to terminal 2 of TB1.

above example can be obtained by again

moving all taps connected to the fine tap ter-

(5) Move the three taps connected to terminal 1 of

phase B (TB2) to terminal 2 of TB2.

minals to the next higher fine tap terminal.

Section Il. OPERATION

c. Set the POWER ON circuit breaker switch to ON

2-4. Controls and Indicators

and the equipment to be powered to on.

(fig. 2-2)

d. Depress the AMMETER switch to READ and see

The following chart lists the power supply controls and

that the DIRECT CURRENT AMPERES meter in-

indicators and their functions:

dicates output current (200 amperes maximum).

Control

Indicator

Function

e. C h e c k t o s e e t h a t t h e D I R E C T C U R R E N T

POWER ON

circuit breaker

Turns

power

supply

and

off

VOLTS meter indicates between 26.5 and 31 volts.

switch.

manually.

Provides

overload

2-6. Stopping Procedure

protection by automatically dis-

connecting

input

power

Stop the power supply as follows:

whenever

input

current

a. Set the equipment being powered to off

excessive.

b. Set the POWER ON circuit breaker swich to the

When

illuminated,

indicates

that

input power is applied to power

off (down) position.

supply.

c. Disconnect the dc output cable from the equip-

AMMETER

switch

(2-position,

When

depressed,

DIRECT

CUR-

ment being powered and rewind the dc output cable on

springloaded).

RENT

AMPERES

meter

indi-

the brackets on the front of the power supply.

output

cates

power

supply

WARNING

current.

DIRECT

CURRENT

VOLTS

Indicates output voltage.

Adequate ventilation should be provided

meter.

while using

TRICHLOROTRIFLUORO-

DIRECT

CURRENT

Indicates output current.

ETHANE. Prolonged breathing of vapor

AMPERES

meter.

should be avoided. The solvent should not

2-5. Operating Procedure

be used near heat or open flame; the pro-

(fig. 2-2)

ducts of decomposition are toxic and ir-

After performing the input power connection pro-

ritating. Since TRICHLOROTRIFLUORO-

dures given in paragraph 23, proceed as follows:

ETHANE dissolves natural oils, prolonged

contact with skin should be avoided. When

a. Connect the output cable to the equipment to be

necessary, use gloves which the solvent can-

powered.

not penetrate. If the solvent is taken inter-

b. Energize the Power Supply PP-4606B/G by

nally, consult a physician immediately.

means of the external disconnect switch.

2-4

Change 1